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Preparation, Characterization and Effectiveness to Delay Lipid Oxidation in Almonds and Beef Meat
Authors
Mariana A. Andrade
Cássia H. Barbosa
+13 more
Letricia Barbosa-Pereira
Giovanna G. Buonocore
Anabela Coelho
Cristina Belo Correia
Khaoula Khwaldia
Sandra Mariño-Cortegoso
Ana Rodríguez Bernaldo de Quirós
Fernando Ramos
Margarida Saraiva
Raquel Sendón
Ana Sanches Silva
Mariamelia Stanzione
Fernanda Vilarinho
Publication date
22 June 2023
Publisher
Doi
Cite
Abstract
Funding Information: This study was carried out under the VIPACFood project, funded by ARIMNet2 (Coordination of Agricultural Research in the Mediterranean; 2014–2017), an ERA-NET Action financed by the European Union under the Seventh Framework Programme, and by the Programa de Cooperación Interreg V-A España–Portugal (POCTEP) 2014–2020 (project 0377_IBERPHENOL_6_E). Cássia H. Barbosa is grateful for her research grant in the frame of the VIPACFood project (ARIMNET2/0003/2016) and the Foundation for Science and Technology (FCT), Portugal, for the Ph.D. grant 2021.08154.BD. This research was also funded by PT national funds (FCT/MCTES, Fundação para a Ciência e Tecnologia and Ministério da Ciência, Tecnologia e Ensino Superior) through grants UIDB/50006/2020 and UIDB/00211/2020. L. Barbosa-Pereira is grateful to the Spanish Ministry of Science, Innovation and Universities for her “Juan de la Cierva-Incorporación” grant (Agreement No. IJCI-2017-31665). Publisher Copyright: © 2023 by the authors.Low-density polyethylene-based packaging with 4% lemon extract (LDPE/4LE) and two polylactic-based (PLA) packaging materials with 4% and 6% lemon extract (PLA/PEG/4LE and PLA/6LE) were produced. O2 and water permeability tests were performed, the total and individual phenolic compounds content were measured, and the films’ antioxidant activities were determined. The films’ ability to delay lipid oxidation was tested in two model foods: almonds, packaged with LDPE/4LE, PLA/4LE and PLA/6LE for a maximum period of 60 days at 40 °C (accelerated assay); and beef meat, packaged with the PLA/6LE for a maximum period of 11 days at 4 °C. The LE improved the WVP in all of the active films by 33%, 20% and 60% for the LDPE/4LE, PLA/4LE and PLA/6LE films, respectively. At the end of 10 days, the migration of phenolic compounds through the PLA films was measured to be 142.27 and 114.9 μg/dm2 for the PLA/4LE and PLA/6LE films, respectively, and was significantly higher than phenolic compounds migration measured for the LDPE/4LE (15.97 μg/dm2). Naringenin, apigenin, ferulic acid, eriocitrin, hesperidin and 4-hydroxybenzoic acid were the main identified compounds in the PLA, but only 4-hydroxybenzoic acid, naringenin and p-coumaric acid were identified in the LDPE films. Regarding the films’ ability to delay lipid oxidation, LDPE/4LE presented the best results, showing a capacity to delay lipid oxidation in almonds for 30 days. When applied to raw beef meat, the PLA/6LE packaging was able to significantly inhibit lipid oxidation for 6 days, and successfully inhibited total microorganisms’ growth until the 8th day of storage.publishersversionpublishe
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